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Two events A and B are independent events if the occurrence of one event does not affect the occurrence of the other. It is also said that they are independent if and only if the probability that both events occur is equal to the product of the individual probabilities.
Two events A and B are considered dependent events if the occurrence of either event affects the occurrence of the other. If the events are dependent, the probability that both events occur is equal to the product of the probability of the first event occurring and the probability of the second event occurring after the first event.
To calculate the probability that both events occur, the favorable outcomes are divided by the possible outcomes. First, the possible outcomes for a baby's biological gender is boy or girl.
Second, the possible outcomes to be born on a specific day in a week is 7, since there are 7 different days in a week.
Therefore, there is a total of 14 possible outcomes and only one favorable outcome that the baby is a girl and is born on a Wednesday.